Smoke bubble generator

Abstract

The utility model discloses a smog bubble generator in the technical field of smog bubbles. The smog bubble generator comprises a handheld smog machine and a bubble nozzle, the bubble nozzle comprises a transition connecting disc, a bubble barrel, an air inlet pipe and radial blades, the bubble barrel is coaxially connected to one axial side of the transition connecting disc, the air inlet pipe is coaxially connected to the other axial side of the transition connecting disc, and the air inlet end of the air inlet pipe is communicated with a smoke outlet of the handheld smoke sprayer; the included angle between the axis of the smoke outlet and the axis of the bubble cylinder is 20-180 degrees; the radial blades are distributed on the bubble barrel at equal intervals in the circumferential direction, and a liquid containing gap is formed between every two adjacent radial blades. The smoke bubble generator not only can quickly and continuously generate a plurality of dense smoke bubbles, but also can ensure that the smoke bubbles are not easy to damage under the action of low-flow-rate and high-concentration smoke, so that the smoke bubbles with larger volume are generated, a better stage effect is created, and the practicability of the smoke bubbles is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of smoke bubbles, and particularly relates to a smoke bubble generator. Background Art

[0002] A smoke bubble is a special bubble formed by enclosing smoke with a bubble. Compared with traditional bubbles blown by the wind, the smoke bubble has a faster falling speed. When it is not broken, it is white, and when it breaks, it can exude smoke, bringing a richer visual effect.

[0003] There are two existing smoke bubble production schemes. The first one is to add a smoke module on the basis of a traditional bubble machine, that is, add smoke to the wind generated when blowing bubbles. However, the smoke concentration in such smoke bubbles is relatively low, and the generated smoke bubbles only contain a faint amount of smoke, and the visual effect produced when the bubbles break is poor, without practical value. The second one is to set a smoke generation module in the blowing tube. After dipping the bubble liquid, blow air through the mouth to generate smoke bubbles. By controlling the air flow size and blowing time, this kind of smoke bubble can achieve the purpose of generating thick smoke bubbles. However, it requires the user to practice for a long time and master certain skills to generate corresponding smoke bubbles. At the same time, each production requires re-dipping the bubble liquid, and the operation is extremely inconvenient and also without practical value.

[0004] Therefore, how to improve the practicality of smoke bubbles has become a technical problem that needs to be solved urgently by those skilled in the art. Content of the Utility Model

[0005] In view of this, the purpose of the utility model is to provide a smoke bubble generator to solve the technical problem of poor practicality of the smoke bubbles generated by the existing smoke bubble generating device.

[0006] The technical solution adopted by the utility model is as follows: A smoke bubble generator, the smoke bubble generator includes a handheld smoke machine and a bubble nozzle. The handheld smoke machine has a smoke outlet. The bubble nozzle includes a transition connection disk, a bubble tube, an air inlet pipe, and radial blades. The bubble tube is coaxially connected to the axial side of the transition connection disk. The air inlet pipe is coaxially connected to the axial side of the transition connection disk. The air inlet end of the air inlet pipe is communicated with the smoke outlet, and the included angle between the axis of the smoke outlet and the axis of the bubble tube is 20° - 180°. The other end of the air inlet pipe is communicated with the inner cavity of the bubble tube. A plurality of the radial blades are evenly distributed at equal intervals along the circumferential direction on the bubble tube, and a liquid storage gap for storing bubble liquid is formed between adjacent two of the radial blades.

[0007] Preferably, the radial blade includes an outer radial piece, a lower radial piece, and an inner radial piece that are smoothly and transitionally connected in sequence. The outer radial piece is axially formed on the outer circumferential surface of the bubble cylinder, the lower radial piece is radially formed on the end surface of the bubble cylinder, and the inner radial piece is axially formed on the inner circumference of the bubble cylinder.

[0008] Preferably, the radial blade further includes an upper radial piece, which is radially formed on the transition connection disk, and the outer end of the upper radial piece is smoothly and transitionally connected to the top end of the upper outer radial piece.

[0009] Preferably, the outer end of the lower surface of the lower radial piece is located above the inner end of the lower surface of the lower radial piece, so that a pressure reduction slope is formed at the bottom of the lower radial piece; an arc transition surface matching the radial blade is provided at the outer end of the transition connection disk; an upper round chamfer is provided between the outer end of the upper radial piece and the top end of the outer radial piece; a lower round chamfer is provided between the outer end of the lower radial piece and the bottom end of the outer radial piece.

[0010] Preferably, the smoke bubble generator further includes a connecting pipe, the intake end of the connecting pipe is connected to the smoke outlet, and the outlet end of the connecting pipe is connected to the intake pipe.

[0011] Preferably, the connecting pipe is a rigid connecting pipe, an elastic colloid connecting pipe, or a universal joint pipe.

[0012] Preferably, the connecting pipe includes a straight pipe portion and a bent pipe portion. One end of the straight pipe portion is connected to the intake pipe, the other end of the straight pipe portion is connected to the bent pipe portion, and the other end of the bent pipe portion is connected to the smoke outlet; or

[0013] One end of the straight pipe portion is connected to the smoke outlet, the other end of the straight pipe portion is connected to the bent pipe portion, and the other end of the bent pipe portion is connected to the intake pipe.

[0014] Preferably, the bent pipe portion includes a first connecting bent pipe and a second connecting bent pipe, and one end of the first connecting bent pipe is rotatably connected to one end of the second connecting bent pipe.

[0015] Preferably, the number of the bent pipe portions is two. One of the bent pipe portions is connected between the handheld smoke machine and the straight pipe portion, and the other bent pipe portion is connected between the straight pipe portion and the bubble nozzle, and the bent pipe portion and the straight pipe portion are rotatably and sealingly connected.

[0016] Preferably, the bubble nozzle is integrally formed.

[0017] Advantages of the present utility model:

[0018] The utility model adopts a combination of a handheld smoke machine and a bubble nozzle. The handheld smoke machine is used to quickly and stably generate thick smoke, and the bubble nozzle is used to generate bubbles. A plurality of equally spaced radial blades are installed on the bubble cylinder of the bubble nozzle, and the liquid storage gap between two adjacent radial blades is used to store the bubble liquid. By dipping the bubble liquid once, not only can a plurality of thick smoke bubbles be quickly and continuously generated, but also a larger contact area can be provided between the bubble nozzle and the smoke bubbles, so that the smoke bubbles are not easily broken under the action of low-flow and high-concentration smoke, and then larger smoke bubbles are generated, thereby creating a better stage effect and improving the practicability of the smoke bubbles. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 is a schematic structural diagram of the smoke bubble generator of the utility model;

[0020] Figure 2 is one of the connection schematic diagrams of the connecting pipe and the bubble nozzle;

[0021] Figure 3 is another connection schematic diagram of the connecting pipe and the bubble nozzle;

[0022] Figure 4 is yet another connection schematic diagram of the connecting pipe and the bubble nozzle;

[0023] Figure 5 is still another connection schematic diagram of the connecting pipe and the bubble nozzle;

[0024] Figure 6 is one of the structural schematic diagrams of the bubble nozzle;

[0025] Figure 7 is one of the three-dimensional schematic diagrams of the bubble nozzle;

[0026] Figure 8 is the front view of the bubble nozzle;

[0027] Figure 9 is the top view of the bubble nozzle;

[0028] Figure 10 is the bottom view of the bubble nozzle;

[0029] Figure 11 is the structural schematic diagram of the radial blade;

[0030] Figure 12 is another three-dimensional schematic diagram of the bubble nozzle;

[0031] Figure 13 is yet another three-dimensional schematic diagram of the bubble nozzle;

[0032] Figure 14 is another structural schematic diagram of the bubble nozzle.

[0033] Description of the reference numerals in the drawings:

[0034] 100, Handheld smoke machine;

[0035] 110, Smoke outlet;

[0036] 200, Bubble nozzle;

[0037] 210, Transition connection plate; 220, Bubble tube; 230, Air inlet pipe; 240, Radial vane; 250, Liquid storage gap;

[0038] 241, Upper radial vane; 242, Outer radial vane; 243, Lower radial vane; 244, Inner radial vane;

[0039] 300, Connecting pipe; 310, Straight pipe section; 320, Bent pipe section;

[0040] 321, First connecting elbow; 322, Second connecting elbow. Detailed implementation manners

[0041] The following further details the specific implementation manners of the present utility model in conjunction with the accompanying drawings. These implementation manners are only for explaining the present utility model and are not intended to limit the present utility model.

[0042] In the description of the present utility model, it should be noted that the orientation or positional relationship indicated by the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the accompanying drawings. It is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model. In addition, the terms "first" and "second" are only used for descriptive purposes and cannot be construed as indicating or implying relative importance.

[0043] In the description of the present utility model, it should be noted that unless otherwise clearly defined and limited, the terms "installed", "connected", "connected" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0044] In addition, in the description of the present utility model, unless otherwise stated, the meaning of "a plurality" is two or more.

[0045] Embodiment, such asFigures 1 - 14 As shown, a smoke bubble generator includes a handheld smoke machine 100 and a bubble nozzle 200. The handheld smoke machine 100 has a smoke outlet 110; the bubble nozzle 200 includes a transition connection disk 210, a bubble cylinder 220, an air inlet pipe 230, and radial blades 240. The bubble cylinder 220 is coaxially connected to an axial side of the transition connection disk 210, and the air inlet pipe 230 is coaxially connected to the other axial side of the transition connection disk 210. The air inlet end of the air inlet pipe 230 is communicated with the smoke outlet 110, and the included angle between the axis of the smoke outlet 110 and the axis of the bubble cylinder 220 is 20° to 180°. The other end of the air inlet pipe 230 is communicated with the inner cavity of the bubble cylinder 220; a plurality of radial blades 240 are evenly distributed at equal intervals along the circumferential direction on the bubble cylinder 220, and a liquid storage gap 250 for storing bubble liquid is formed between two adjacent radial blades 240.

[0046] This application adopts the combination of the handheld smoke machine 100 and the bubble nozzle 200. The handheld smoke machine 100 is used to quickly and stably generate thick smoke, and the bubble nozzle 200 is used to generate bubbles. A plurality of equally spaced radial blades 240 are installed on the bubble cylinder 220 of the bubble nozzle 200. The liquid storage gap 250 between two adjacent radial blades 240 is used to store bubble liquid. By dipping the bubble liquid once, not only can a plurality of thick smoke bubbles be quickly and continuously generated, but also a larger contact area can be provided between the bubble nozzle 200 and the smoke bubbles, so that the smoke bubbles are not easily broken under the action of low-flow and high-concentration smoke, and then larger smoke bubbles can be generated, thereby creating a better stage effect and improving the practicality of the smoke bubbles.

[0047] In a specific embodiment, as Figure 5 、 Figure 6 and Figure 7 shown, the bubble nozzle 200 includes a transition connection disk 210, a bubble cylinder 220, an air inlet pipe 230, and radial blades 240. The bubble cylinder 220 is integrally formed on an axial side of the transition connection disk 210, and the air inlet pipe 230 is integrally formed on the other axial side of the transition connection disk 210, and the axes of the bubble cylinder 220, the transition connection disk 210, and the air inlet pipe 230 are collinear, that is, the bubble cylinder 220, the transition connection disk 210, and the air inlet pipe 230 are coaxially arranged.

[0048] The inner cavity of the air inlet pipe 230 extends axially and is communicated with the inner cavity of the bubble cylinder 220 to enable the thick smoke output by the handheld smoke machine 100 to enter the bubble cylinder 220; the number of the radial blades 240 is multiple, and a plurality of radial blades 240 are evenly distributed at equal intervals along the circumferential direction on the bubble cylinder 220, and a liquid storage gap 250 for storing bubble liquid is formed between two adjacent radial blades 240.

[0049] AsFigure 6 , Figure 14 As shown in Figure 14 , the radial vane 240 includes an outer radial piece 242, a lower radial piece 243, and an inner radial piece 244 that are smoothly and sequentially transitionally connected. The outer radial piece 242 is axially formed on the outer circumferential surface of the bubble tube 220. The lower radial piece 243 is radially formed on the lower end surface of the bubble tube 220. The inner radial piece 244 is axially formed on the inner circumference of the bubble tube 220. The bottom end of the outer radial piece 242 is smoothly and transitionally connected to the outer end of the lower radial piece 243, and the bottom end of the inner radial piece 244 is smoothly and transitionally connected to the inner end of the lower radial piece 243.

[0050] It should be noted that the bubble nozzle 200 can be integrally formed by injection molding, can be split into multiple independent components for injection molding respectively, or can also be produced by silicone or metal CNC machining for the whole or individual components.

[0051] In a specific embodiment, as shown in Figure 6 and Figure 11 As shown in Figure 11 , the radial vane 240 includes an upper radial piece 241, an outer radial piece 242, a lower radial piece 243, and an inner radial piece 244 that are smoothly and sequentially transitionally connected. The upper radial piece 241 is radially formed on the surface of the transition connection disk 210. The outer radial piece 242 is axially formed on the outer circumferential surface of the bubble tube 220. The lower radial piece 243 is radially formed on the lower end surface of the bubble tube 220. The inner radial piece 244 is axially formed on the inner circumference of the bubble tube 220. The outer end of the upper radial piece 241 is smoothly and transitionally connected to the top end of the upper outer radial piece 242. The bottom end of the outer radial piece 242 is smoothly and transitionally connected to the outer end of the lower radial piece 243. The bottom end of the inner radial piece 244 is smoothly and transitionally connected to the inner end of the lower radial piece 243 to further increase the liquid storage capacity of a single liquid dipping and further extend the duration of a single liquid dipping.

[0052] Preferably, as shown in Figure 11 As shown in Figure 11 , the outer end of the lower surface of the lower radial piece 243 is located above the inner end of the lower surface of the lower radial piece 243, so that a pressure reduction slope a is formed at the bottom of the lower radial piece 243.

[0053] More preferably, as shown in Figure 6 and 11 As shown in 11 , an arc transition surface matching the radial vane 240 is provided at the outer end of the transition connection disk 210; an upper round chamfer is provided between the outer end of the upper radial piece 241 and the top end of the outer radial piece 242; a lower round chamfer is provided between the outer end of the lower radial piece 243 and the bottom end of the outer radial piece 242.

[0054] In a specific embodiment, as shown in Figure 1 and Figure 6As shown, a smoke bubble generator includes a handheld smoke machine 100, a bubble nozzle 200, and a connecting pipe 300. The handheld smoke machine 100 has a smoke outlet 110. The intake end of the connecting pipe 300 is connected to the smoke outlet 110, and the outlet end of the connecting pipe 300 is connected to the intake pipe 230 of the bubble nozzle 200.

[0055] The bubble nozzle 200 includes a transition connecting disk 210, a bubble cylinder 220, an intake pipe 230, and radial blades 240. The bubble cylinder 220 is coaxially connected to one axial side of the transition connecting disk 210. The intake pipe 230 is coaxially connected to the other axial side of the transition connecting disk 210. The included angle between the axis of the smoke outlet 110 and the axis of the bubble cylinder 220 is 20° to 180°. A plurality of radial blades 240 are evenly distributed on the bubble cylinder 220 at equal intervals in the circumferential direction, and a liquid storage gap 250 for storing bubble liquid is formed between two adjacent radial blades 240.

[0056] Preferably, the inner diameter of the connecting pipe 300 is 6 mm, and the outer diameter of the connecting pipe 300 is 13 mm.

[0057] In a specific embodiment, the connecting pipe 300 is any one of a rigid connecting pipe, an elastic colloidal connecting pipe that can be extruded, or a universal joint pipe.

[0058] As Figure 2 and Figure 4 shown, the connecting pipe 300 includes a straight pipe portion 310 and a bent pipe portion 320. One end of the straight pipe portion 310 is connected to the intake pipe 230, the other end of the straight pipe portion 310 is connected to the bent pipe portion 320, and the other end of the bent pipe portion 320 is connected to the smoke outlet 110.

[0059] Such a setting is because: the connecting pipe 300 is composed of the straight pipe portion 310 and the bent pipe portion 320, which can ensure that when the bubble nozzle 200 is in the best working posture in the horizontal direction, the handheld smoke machine 100 can also be in an ideal working posture.

[0060] Preferably, as Figure 4 shown, the bent pipe portion 320 includes a first connecting bent pipe 321 and a second connecting bent pipe 322. One end of the first connecting bent pipe 321 is fixedly connected to the smoke outlet 110, the other end of the first connecting bent pipe 321 is rotatably connected to one end of the second connecting bent pipe 322, and the other end of the second connecting bent pipe 322 is fixedly connected to one end of the straight pipe portion 310, so as to realize the adjustment of the orientation of the bubble nozzle 200 through the relative rotation between the first connecting bent pipe 321 and the second connecting bent pipe 322, that is, to realize the adjustment of the axial direction of the bubble cylinder 220.

[0061] More preferably, as Figure 5As shown, the number of the elbow portions 320 is two. One elbow portion 320 is connected between the handheld smoke machine 100 and the straight pipe portion 310, and the other elbow portion 320 is connected between the straight pipe portion 310 and the bubble nozzle 200. And the elbow portion 320 and the straight pipe portion 310 are rotatably and sealingly connected.

[0062] It should be noted that: the bubble nozzle 200 is made of rigid materials such as ABS / PA / PC / acrylic; the connecting pipe 300 is made of rigid or flexible materials such as ABS / PA / PC / acrylic / silicone / Teflon; if the connecting pipe 300 is made of flexible materials, it has the advantages of low cost, simple process and high freedom of use. At the same time, the flexible connecting pipe 300 has a certain elasticity and can more easily control the release of smoke bubbles.

[0063] In a specific embodiment, as Figures 6 - 14 shown, the bubble nozzle 200 includes a transition connection disk 210, a bubble cylinder 220, an air inlet pipe 230 and radial vanes 240. The bubble cylinder 220 is integrally formed on the axial side of the transition connection disk 210, and the air inlet pipe 230 is integrally formed on the axial side of the transition connection disk 210. The bubble cylinder 220, the transition connection disk 210 and the air inlet pipe 230 are coaxially arranged, and the inner cavity of the air inlet pipe 230 extends axially and communicates with the inner cavity of the bubble cylinder 220; the number of the radial vanes 240 is 48, and the 48 radial vanes 240 are installed on the bubble cylinder 220 at equal intervals in the circumferential direction.

[0064] The radial dimension of the transition connection disk 210 is 29 mm, and the axial dimension of the transition connection disk 210 is 1.5 mm.

[0065] The outer diameter dimension of the bubble cylinder 220 is 29 mm, the inner diameter dimension of the bubble cylinder 220 is 22 mm, and the axial dimension of the bubble cylinder 220 is 3 mm.

[0066] The outer diameter dimension of the air inlet pipe 230 is 10.3 mm, the inner diameter dimension of the air inlet pipe 230 is 6 mm, and the axial dimension of the air inlet pipe 230 is 6 mm.

[0067] The radial blade 240 includes an integrally formed upper radial piece 241, an outer radial piece 242, a lower radial piece 243, and an inner radial piece 244. The upper radial piece 241 is radially formed on the surface of the transition connection disk 210. The outer radial piece 242 is axially formed on the outer circumferential surface of the bubble cylinder 220. The lower radial piece 243 is radially formed on the lower end surface of the bubble cylinder 220. The inner radial piece 244 is axially formed on the inner circumference of the bubble cylinder 220. The outer end of the upper radial piece 241 is smoothly transitionally connected to the top end of the outer radial piece 242. The bottom end of the outer radial piece 242 is smoothly transitionally connected to the outer end of the lower radial piece 243. The bottom end of the inner radial piece 244 is smoothly transitionally connected to the inner end of the lower radial piece 243.

[0068] The number of the radial blades 240 is 48. The outer diameter of the radial blade 240 is 32 mm, and the inner diameter of the radial blade 240 is 17 mm.

[0069] Compared with the prior art, the present application has at least the following beneficial technical effects:

[0070] 1. The present application adopts the combination of a handheld smoke machine and a bubble nozzle. Utilizing the characteristics of the handheld smoke machine, such as small volume, convenient use, no delay, stability, and thick smoke, and cooperating with the storage function of the bubble liquid in the liquid storage gap on the bubble nozzle, it can not only quickly and stably generate smoke bubbles with thick smoke, but also quickly and continuously generate multiple thick smoke bubbles by dipping the bubble liquid once, enabling the smoke bubbles to have practical value in the photography scene.

[0071] 2. The present application is provided with a plurality of radial blades on the bubble cylinder of the bubble nozzle. During the generation of bubbles, the liquid storage gap between two adjacent radial blades can not only accumulate more bubble liquid, but also enable a larger contact area between the bubble nozzle and the smoke bubbles. Under the action of low flow rate and high concentration of smoke during the production of smoke bubbles, the bubbles are not easily damaged, making the process of making smoke bubbles simpler and easier to operate, and enabling the smoke bubbles to be larger and more numerous, thus having practicality.

[0072] 3. A connecting pipe is connected between the handheld smoke machine and the bubble nozzle. The connecting pipe is composed of a bent pipe part and a straight pipe part, which can make the included angle between the axis of the smoke outlet of the handheld smoke machine and the axis of the bubble cylinder of the bubble nozzle be between 20° and 180°. In this way, when making smoke bubbles in the optimal working state with the bubble cylinder horizontal, the posture of the handheld smoke machine can be maintained at a certain angle with the horizontal plane, avoiding the problem of easy damage caused by continuously outputting with the handheld smoke machine inverted.

[0073] 4. The connecting pipe in the present application is composed of a detachable connection of the straight pipe part and the bent pipe part, and the number and installation position of the bent pipe part can be adjusted according to actual usage needs, realizing personalized fine-tuning of the performance and feel of the bubble nozzle.

[0074] The above are only the preferred embodiments of the present utility model. It should be noted that for those of ordinary skill in the art, without departing from the technical principle of the present utility model, several improvements and substitutions can be made, and these improvements and substitutions should also be regarded as the protection scope of the present utility model.

Claims

1. A smoke bubble generator, characterized in that: The smoke bubble generator comprises a handheld smoke machine (100) and a bubble nozzle (200), wherein the handheld smoke machine (100) has a smoke outlet (110); the bubble nozzle (200) comprises a transition connection plate (210), a bubble tube (220), an air intake pipe (230) and radial blades (240), wherein the bubble tube (220) is coaxially connected to one axial side of the transition connection plate (210), and the air intake pipe (230) is coaxially connected to the other axial side of the transition connection plate (210). The air inlet end of the air inlet pipe (230) is connected to the smoke outlet (110), and the angle between the axis of the smoke outlet (110) and the axis of the bubble tube (220) is 20° to 180°; the other end of the air inlet pipe (230) is connected to the inner cavity of the bubble tube (220); a plurality of radial blades (240) are evenly spaced along the circumferential direction on the bubble tube (220), and a liquid containing gap (250) for storing bubble liquid is formed between two adjacent radial blades (240).

2. A smoke bubble generator according to claim 1, characterized in that: The radial blades (240) include an outer radial blade (242), a lower radial blade (243) and an inner radial blade (244) which are smoothly transitioned and connected in sequence, wherein the outer radial blade (242) is axially formed on the outer circumference of the bubble tube (220), the lower radial blade (243) is radially formed on the end surface of the bubble tube (220), and the inner radial blade (244) is axially formed on the inner circumference of the bubble tube (220).

3. A smoke bubble generator according to claim 2, characterized in that: The radial blade (240) further comprises an upper radial sheet (241), wherein the upper radial sheet (241) is radially formed on the transition connection disk (210), and the outer end of the upper radial sheet (241) is smoothly transitionally connected to the top end of the upper outer radial sheet (242).

4. A smoke bubble generator according to claim 3, characterized in that: The outer end of the lower surface of the lower radial sheet (243) is located above the inner end of the lower surface of the lower radial sheet (243), so that the bottom of the lower radial sheet (243) forms a pressure relief slope; the outer end of the transition connection plate (210) is provided with an arc transition surface that matches the radial blade (240); an upper round chamfer is provided between the outer end of the upper radial sheet (241) and the top end of the outer radial sheet (242); and a lower round chamfer is provided between the outer end of the lower radial sheet (243) and the bottom end of the outer radial sheet (242).

5. A smoke bubble generator according to any one of claims 1 to 4, characterized in that: The smoke bubble generator further comprises a connecting pipe (300), the air inlet end of the connecting pipe (300) being connected to the smoke outlet (110), and the air outlet end of the connecting pipe (300) being connected to the air inlet pipe (230).

6. A smoke bubble generator according to claim 5, characterized in that: The connecting tube (300) is a hard connecting tube, an elastic colloid connecting tube or a universal joint tube.

7. A smoke bubble generator according to claim 6, characterized in that: The connecting pipe (300) comprises a straight pipe portion (310) and a curved pipe portion (320), one end of the straight pipe portion (310) is connected to the air inlet pipe (230), the other end of the straight pipe portion (310) is connected to the curved pipe portion (320), and the other end of the curved pipe portion (320) is connected to the smoke outlet (110); or One end of the straight pipe portion (310) is connected to the smoke outlet (110), the other end of the straight pipe portion (310) is connected to the curved pipe portion (320), and the other end of the curved pipe portion (320) is connected to the air intake pipe (230).

8. A smoke bubble generator according to claim 7, characterized in that: The curved pipe portion (320) comprises a first connecting curved pipe (321) and a second connecting curved pipe (322), and one end of the first connecting curved pipe (321) is rotatably connected to one end of the second connecting curved pipe (322).

9. The smoke bubble generator according to claim 7, characterized in that: The number of the curved pipe parts (320) is two, one of the curved pipe parts (320) is connected between the handheld smoke machine (100) and the straight pipe part (310), and the other curved pipe part (320) is connected between the straight pipe part (310) and the bubble nozzle (200), and the curved pipe part (320) and the straight pipe part (310) are rotatably sealed.

10. The smoke bubble generator according to claim 1, characterized in that: The bubble nozzle (200) is integrally formed.

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